Questions tagged [bootmgr]

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Windows won't boot from bootloader; prefers GRUB instead

I was messing around with Ubuntu, installed it, decided to delete it. Now, I have a problem. I tried using bcdedit /set {bootmgr} to set the boot manager back to Windows, but it keeps booting from ...
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1answer
40 views

Can Windows Bootmgr load Ubuntu without needing a second reboot?

I have Windows 10 on an SSD in a DVD caddy (/dev/sdb) and Ubuntu mate on an HDD (/dev/sda). Both are Legacy BIOS/MBR on a Dell Laptop. I made a dual boot set up and tested putting GRUB on the Linux ...
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0answers
69 views

My windows installation is not identified in bootrec /fixboot

I need to explain what exactly happened and what solutions I've tried First of all my windows 10 build 1909 was working just fine and was fully updated. But windows update just constantly reminded me ...
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0answers
76 views

Grub4Dos - Boot Windows 10 installer from Sub-Folder

I'm trying to use Grub4Dos to boot Windows 10 installer from a sub-folder in the USB pendrive. Inside the menu.lst, I added the entry as follow and it fails to boot. title Windows 10 Installer find --...
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0answers
13 views

Bootmgr Menu set to display but does not run

I have two boot items in bootmgr. It is set to display with 30 second timeout. From a cold reboot the menu does not display and the last config (Win 10 with HyperV on) is loaded. Is there another ...
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2answers
89 views

Do bootloaders keep running?

In this question, I'm considering both Windows (BOOTMGR) and Linux (GRUB) bootloaders as well as BIOS and EFI modes. Once a bootloader has invoked a kernel, does the bootloader keep running in any ...
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2answers
1k views

BCDEdit - How to set device partition to a number (not c:)

I would like to add a new entry to my Windows bootmgr, which on another partition (5th one). What should I write after device partition=... to load the 5th partition?
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1answer
143 views

Accidentally removed boot partition for Windows. How can I recover?

While doing some operation on Ubuntu I accidentally removed boot partition for Windows and now I can’t run Windows again and was unable to run the recovery for Windows 10. Here’s what I have tried: ...
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0answers
21 views

Windows 10 change partition to be booted

I bought a new bigger drive and I want to transfer Windows OS to it. I have already cloned EFI partition to new drive and it works, but starts the system on old drive. Windows partition is cloned to ...
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3answers
3k views

Dual boot with 2 hard disk

I have 2 sata hard disk drives. I have installed windows 10 os on one and red hat enterprise Linux 7 on other and made both of them bootable. But always , when I boot, it directly goes into windows 10....
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1answer
563 views

Windows 10 - Ubuntu: Windows bootmgr set to wrong partition

I am using Dell Inspiron 7560, dual booted with Windows 10 and Ubuntu. Windows is installed on a 128 GB SSD and Ubuntu is installed on a partition of a 1TB HDD. Each of the drives also have an EFI ...
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3answers
8k views

Windows moved the bootloader to another drive

I have a dual boot install. I first installed Windows 7 in its own disk (C:) with the secondary drive disconnected. I did this because I know Windows has a tendency to mess with other drives. Then I ...
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1answer
837 views

How to install Windows server with UEFI?

To install SW_DVD9_Windows_Svr_Std_and_DataCtr_2012_R2_64Bit_English_-4_MLF_X19-82891 on to an RD230 server in UEFI mode secure boot must be enabled, correct? The ISO was written to USB with Rufus ...
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2answers
782 views

What is the relationship between Windows Boot Manager and Windows Operating System?

When Start a Windows based Machine, when something goes wrong are there are multi boot option. There will be pop a UI whose title is Windows Boot Manager. And Windows 7/8/10 is an option in its list. ...
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2answers
819 views

How does the Windows Boot Manager locate the BCD?

I am trying to understand the Windows boot process. I got as far as the EFI boot manager loading the Windows Boot Manager. But then it must access the BCD in order to proceed further with loading the ...
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1answer
94 views

“BOOTMANAGER is missing” when optical drive connected

My computer fails to boot from SSD when optical drive is connected. It has worked perfectly for something like a year without it and now I have the same issue again when trying to connect it with ...
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1answer
3k views

Windows 10 Disable UEFI disk from booting (boot from usb on reboot)

Before i am told just do it in bios the issue is this, the computer is connected to a PXE server and when all the machines were legacy bios, i could just disable the disk and reimage the machine. ...
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1answer
1k views

Replace Windows bootmgr file [duplicate]

I had a problem with booting windows 10 because I've changed the bootmgr path using : bcdedit /set {bootmgr} newpath after rebooting it said that the boot sector is corrupted. Using Linux I can enter ...
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1answer
708 views

Is it possible to run MS-DOS from bootmgr?

I successfully created a multibootable USB using WinSetupFromUSB, allowing me to boot into an ISO for MS-DOS 6.22 and installer ISOs for Windows 7 32- and 64-Bit from a single bootable USB. However, ...
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3answers
641 views

Windows Boot Manager Screen comes up even though I have 1 OS

One day, I turned on my computer as I usually would. No other operating systems on it except for Windows 7. (Although I'm thinking about dual booting it with Linux.) However, then and almost every ...
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1answer
5k views

Multiboot USB with bootmgr

I need to install two different OS on my USB stick: WinPE and Memtest86 4.3.7 (not Memtest86+). The difficulty about this is that I need to use the Windows-bootmanager. Unfortunately I can’t use ...
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1answer
94 views

Mistakenly changed 'mark as active drive' to D, now cannot boot, says 'bootmgr is missing' (windows 10)

I was trying to restore the laptop ( HP dv6 pavillion) and mistakenly set active drive to D. Now cannot boot the windows. I do not have windows installation disk. I could not download new iso for ...
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0answers
241 views

Starting a custom UEFI application from Windows Boot Manager

Is it possible to make a boot menu entry in Windows Boot Manager BCD to start a custom (signed) UEFI application like, say, GRUB or Intel's UEFI Shell? What are the relevant bcdedit commands? It is ...
4
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1answer
1k views

UEFI detection (ESPs)

Does the UEFI boot manager detect the ESPs inside the GPTs on every storage device, based on the global-scope variables (boot-configuration) stored in NVRAM? Reading the UEFI booting from Wikipedia: ...
4
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1answer
8k views

Troubleshooting error 0xc000000e on Windows boot with Bitlocker full drive encryption

Note: I had originally thought that the BCD was the problem, which turned out to be wrong. I originally had my laptop set up as follows: A 300 GB partition with OS X 10.10 and native full-drive ...
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1answer
2k views

How do I fix “BOOTMGR IS MISSING”?

How do I fix "BOOTMGR IS MISSING" after i tried to dual boot Kali linux 2.0 light and Windows 7 and getting error from installing grub and lilio? Sorry for my poor English.
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1answer
5k views

Bootloader issue - How do I completely remove Linux from my system? fully detailed description

The goal was to successfully install Windows 10 upgrade. System configuration : Dell Inspiron 3537, i5 4th gen processor, 6GB RAM, 1TB HDD, 2GB AMD Graphics. Before install : I have a Dual-boot ...
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1answer
175 views

BOOTMGR not found

I had to force shut down my computer twice today because it froze for an unknown reason. The first time I tried starting the PC again worked out but now I get the following error message every time I ...
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1answer
68 views

Schrodinger's Bootmngr

A few days ago my laptop started BSOD'ing on every boot, whilst it was loading the windows kernel. After some attempts to fix it, I finally decided that it might be simpler to start with a fresh ...
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0answers
43 views

Windows Vista laptop - Missing bootmgr - CD Drive is broken

There are some important files I need to retrieve from a laptop. The laptop was dropped and the CD Drive is completly broken so I cannot use the installation CD. How do I get past the bootmgr missing ...
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1answer
1k views

Remove bootmgr from second disk

I recently reinstalled windows 7 on ssd, but the installer put the boot files on hdd. Managed to fix this, with bcdedit and copy boot files to ssd. But now I have extra 'boot' folder and 'bootmgr' on ...
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2answers
5k views

WIndows 7 Installation shows Error Bootmgr not found. Press alt+ctrl+del to restart

I have a Lenovo laptop, when I turn it on, it gives me a black screen with a message saying "BOOTMGR is missing press ctrl+alt+del to restart". And I did it for many times but it did not solve the ...
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1answer
876 views

how to modify Grub or mgr so that I can boot into windows 7 instead of Neogrub

I have installed windows7 in C drive. Now I use easyBCD to install ubuntu. I followed the steps according to an article which teaches how to install ubuntu-windows dual system(not in English, so I don'...
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1answer
870 views

How does Windows Vista/7/2008 bootmgr work behind the scene?

It always used to be possible to transfer a Windows installation (NT/2000/XP/2003) to a new boot medium by: Recreating the partition table and MBR Copying the partitions using ntfsclone Tricky part: ...
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1answer
6k views

Multiple Windows installers on a USB stick

I've recently got my hands on one of those SanDisk Extreme 64GB sticks and started tinkering with it. During this story, please keep in mind that this is a model where removable bit is set to 0 (which ...
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0answers
2k views

Windows 8 Boot process in EFI

I was trying to add Debian 7 boot entry to Windows boot menu using easyBCD. I accidentally deleted the Window 8 entry from the list now I get a BCD error when trying to boot. Error code 0x000098 How ...
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1answer
436 views

how to make my windows 7 recovery disk bootable?

I am getting this error "bootmgr is missing". did some research on google, the fix is easy, create a windows 7 recovery disk, it should fix that problem. after created the recovery disk, I cannot ...
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0answers
299 views

Is Firmware Boot Manager critical? Or can it be deleted if you have Windows Boot Manager

I would like to reset {fwbootmgr} because it not linking to {bootmgr} even though in display order Firmware Boot Manager --------------------- identifier {fwbootmgr} displayorder ...
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2answers
8k views

Can i delete {fwbootmgr} and system will defualt to {bootmgr}?

{Fwbootmgr} skips {bootmgr} I used bcdboot C:\Windows /l en-gb /s B: /f ALL from bootable usb when ASUS K55A - HI5014L magically corrupted boot information when multiple f1-12 keys were pressed at a ...
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1answer
4k views

How can I manually restore the bootmgr on Windows Small Business Server?

The bootmgr was deleted on or Dell T310 running Windows Server 2008 as a result of bad partitioning. How can manually I restore the bootmgr?
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4answers
3k views

Chainload Windows boot manager from another?

Is it possible to use the Windows Boot Manager to chainload another Windows Boot Manager? For example, (how) can I use a boot manager on C:\bootmgr that reads C:\boot\BCD to chainload another boot ...
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1answer
2k views

Error on my laptop“BOOTMGR is missing”

some error display on my laptop "BOOTMGR is missing press Ctrl+Alt+Del to restart" And one more problem my laptop not dected usb drive in BIOS.
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1answer
270 views

UBUNTU to WIN 7 without data loss

I accidently compressed my c drive in Windows 7 and ended up with "bootmgr is compressed" error. I had to install Ubuntu to get some files. After that I went online and found some solutions for fixing ...
2
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1answer
185 views

How do I consolidate a multi-level Windows boot menu?

Well I seem to be having problems loading operating systems that I have recently installed on three partitions. I had installed Windows XP first, then Windows Server 2003 Standard and finally Windows ...
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1answer
65 views

Can't boot Windows 7 after deleting one of two Windows installations

I have the foloowing problem. I had twp Windows 7 installations on two different hard drives. Boot manager was used to choose between them. I don't know how this came to be so I can't be sure what ...
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1answer
1k views

BOOTMGR is missing, and no C-drive present

I have encountered a problem that I cannot seem to find any way around. So I turn to you for help. Read carefully, because this is not the regular “BOOTMGR is missing” problem… I have a PC where I ...
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0answers
2k views

Press any key to boot from USB not working

I am getting an error from a notebook that BOOTMGR is corrupted so I tried to boot from a USB image with Windows 7 to repair the boot. When the Notebook asks me to press any key it's like the keyboard ...
3
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1answer
18k views

How to restore Windows 7 boot sector from Linux

I have a Laptop dual booting Windows 7 and Ubuntu, however it doesn't boot into Windows anymore. I'm pretty sure the boot sector of the windows partition (the beginning of the partition, not the MBR!) ...
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1answer
14k views

BOOTMGR is missing error in Windows XP

On an old netbook I have which is (was) running Windows XP, and when I boot, I get a BOOTMGR is missing error, but according to this site I should actually get NTLDR is missing instead. I find this ...
5
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1answer
11k views

How to fix Windows 8 boot manager?

Since I have no CD-ROM this is what I did to install Win8: created a partition X: (NTFS) and set it as the ACTIVE ONE, then put the Windows 8 installation files there opened command prompt and ...